document nu install script

dotfiles/.config/zed/settings.json

@@ -13,6 +13,7 @@
   },
   "helix_mode": true,
   "project_panel": {
+    "hide_hidden": true,
     "dock": "left",
   },
   "outline_panel": {

install.nu

@@ -1,5 +1,11 @@
 #!/usr/bin/env nu
 
+# use by
+# 1. create file in ./dotfiles/...
+# 2. run `./install.nu`
+# 
+# this copies the files in ./dotfiles into their respective locations
+
 let dotfiles = ($env.HOME | path join "nixos-config/dotfiles")
 
 glob $"($dotfiles)/**/*" | where ($it | path type) == "file" | each {|file|